CA2070140C - Magazine for tools and/or workpieces - Google Patents
Magazine for tools and/or workpieces Download PDFInfo
- Publication number
- CA2070140C CA2070140C CA002070140A CA2070140A CA2070140C CA 2070140 C CA2070140 C CA 2070140C CA 002070140 A CA002070140 A CA 002070140A CA 2070140 A CA2070140 A CA 2070140A CA 2070140 C CA2070140 C CA 2070140C
- Authority
- CA
- Canada
- Prior art keywords
- rotating
- rack
- rotating rack
- clutch means
- magazine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003754 machining Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 230000003028 elevating effect Effects 0.000 claims description 16
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15526—Storage devices; Drive mechanisms therefor
- B23Q3/15539—Plural magazines, e.g. involving tool transfer from one magazine to another
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T483/00—Tool changing
- Y10T483/16—Tool changing with means to transfer work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T483/00—Tool changing
- Y10T483/18—Tool transfer to or from matrix
- Y10T483/1845—Plural matrices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T483/00—Tool changing
- Y10T483/18—Tool transfer to or from matrix
- Y10T483/1873—Indexing matrix
- Y10T483/1882—Rotary disc
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Workpieces (AREA)
- Warehouses Or Storage Devices (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
The magazine, having a fixed place in a manufacturing plant, is intended to cooperate with at least one machining device and with a handling device associated with said machining device in order to automatically exchange tools and/ or workpieces on said machining device. The magazine comprises a rotating rack having a plurality of storing planes mounted upon another on a support for bearing the objects to be handled.
Said rotating rack is designed as a separate constructional unit which is exchangeably inserted in a stationary part of the magazine, which stationary part comprises means for rotating said rotating rack. In this manner, the space needed by the auxiliary devices in the magazine station as well as the moving space of the handling device is considerably reduced, due to the fact that even in a prolonged operation of the manufacturing plant one sole magazine is sufficient, and that thus, for the exchange of the objects to be handled, the action of any grip means is limited to this sole magazine.
Said rotating rack is designed as a separate constructional unit which is exchangeably inserted in a stationary part of the magazine, which stationary part comprises means for rotating said rotating rack. In this manner, the space needed by the auxiliary devices in the magazine station as well as the moving space of the handling device is considerably reduced, due to the fact that even in a prolonged operation of the manufacturing plant one sole magazine is sufficient, and that thus, for the exchange of the objects to be handled, the action of any grip means is limited to this sole magazine.
Description
MAGAZINE FOR TOOLS AND/OR WORKPIECES
TECHNICAL FIELD
This invention relates to a magazine for tools and/or workpieces, said magazine having a fixed position in a manufac-turing plant. and being intended to cooperate with at least one machining device and with a handling device associated with said machining device in order to automatically exchange tools and/or workpieces on said machining device, said magazine com-prising a rotating rack having a plurality of storing planes mounted upon another on a support.
BACKGROUND OF THE INVENTION
Magazines of this kind, and for said purpose, are disclosed e.g. in the publications EP-A1-0,132,599 and EP-A2-0,297,034. They are known under the designation "multi-level revolving storage machines".
If a manufacturing plant is run non-attended and for a prolonged period of time, it may be necessary to place at dis-posal a considerable number of workpieces and tools, especially if the machining processes are quickly changing. This means that relatively large magazine rooms and handling devices co-vering wide areas are necessary. In this case, according to the status of the art, for operating one or more processing devi-ces, often a plurality of multi-level revolving storage ma-chines and, e.g., a portal robot are necessary, such as e.g.
described in the publication "Moglichkeiten and Trends bei der automatischen Werkstiickhandhabung mit Industrierobotern" ["Pos-sibilities and trends in the automatic workpiece handling by industrial robots"], published in "Zeitschrift fur industrielle Fertigung" 1986, No. 10, 76 (Springer-Verlag). It is known from experience that in this case the material expenditure and the space requirement are important. Furthermore, due to the large-ness of the magazine rooms, the interruption time for restock-ing the magazines at their respective positions is long.
OBJECTS OF THE INVENTION
It is a primary object of the present invention to pro-vide a conception for operating a manufacturing plant which avoids the abovementioned disadvantages of the prior art.
It is a further object of the invention to provide a ma-gazine of the kind described above which allows a simple hand-ling and restocking of the tools and/or workpieces which are necessary in such manufacturing plants, without interruption of the manufacturing process.
SUMMARY OF THE INVENTION
To meet these and other objects, the present invention provides a magazine for tools and/or workpieces which is fixed-ly positioned in a manufacturing plant. The magazine is intend-ed to cooperate with at least one machining device and with a handling device associated with the machining device in order to automatically exchange tools and/or workpieces on the ma-chining device. The magazine comprises a stationary part and a rotating rack having a plurality of storing planes mounted upon another on a support.
The rotating rack is designed as a separate construction-al unit which is exchangeably inserted in the stationary part of the magazine, whereby the stationary part comprises means for rotating the rotating rack.
In this way, it is possible to have just a small storage capacity at the magazine station, and to use a simpler handling device for serving the machining device. Moreover, the access time to the magazine is reduced. The exchangeable rotating rack can periodically, or according to the requirements, be replaced by a rotating rack having new workpieces and tools, respective-ly, and be discharged and recharged outside the magazine sta-tion. The exchange can take place without interruption of the manufacturing process.
In a practical embodiment of the magazine of the present invention, the stationary part of the magazine comprises a stand provided with disengageable clutch means for bearing and rotating the rotating rack. Preferably, the disengageable clutch means cooperate with the two ends of the rotating sup-port of the rotating rack.
In a preferred embodiment of the magazine according to the present invention, the rotating support of the rotating rack is provided at its lower end with a foot plate having a centering sleeve which is downwardly open, and at its upper end with a centering cone. The lower part of the stand comprises a driven rotating stool bearing the rotating rack. The rotating stool may be provided with an upwardly extending centering pin engaging the centering sleeve of the foot plate. The upper part of the stand comprises a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up the centering cone of the rotating support. The rotating stool, together with a turnable drive unit for rotating the same, are mounted on a elevating platform forcing the rotating rack upwardly, in order to interlockingly position and hold the rotating support of the rotating rack between the rotating stool and the shaft end, and to frictionally connect the foot plate with the rotating stool.
For exchanging the rotating rack, i.e. for removing the actually used rotating rack from the magazine station and re-placing it by another re-eguiped rotating rack, the stationary part of said magazine may comprise a conveyer system having a horizontal conveyer. Preferably, the rotating rack can be low-ered from its operation position to a point where its foot plate touches the conveyer and the clutch means, upon disen-gagement from the rotating rack, release the latter in the conveying direction.
The means for transferring the rotating rack from its op-erating position to the conveyer system may e.g. be constructed in such a way that the elevating platform can be lowered from its operation position to a point where the centering pin on the rotating stool disengages from the centering sleeve on the end of the rotating support, after the rotating rack was placed onto the conveyer system, and that the shaft end can upwardly be drawn-off for disengaging the centering cone on the upper end of the rotating support from the conic center hole on the shaft end. This allows that the disengagement of the rotating rack from the disengageable clutch means be effected in two phases, i.e. in the first phase the rotating rack is placed onto the conveyer system, while the upper clutch means are still engaged and the lower clutch means are disengaged, and in the second phase the upper clutch means are disengaged from the rotating rack.
The equiping and re-ec~uiping, respectively, of the ro-tating rack removed from the magazine may be effected at any 20'0140 suitable place, e.g. in the immediate vicinity of the magazine station, or alternatively at a particular place destined for this purpose. Another possibility is to provide a particular equiping station which is located away from the magazine sta-tion for loading and unloading the rotating racks, and means of transport for transporting the rotating racks from the equip-ing station to the magazine station, and vice versa.
The conveyer system may be a roller conveyer having jointly driven rollers. Preferably, the magazine further com-prises guide means mounted along the conveyer at the circum-ference of the foot plate for longitudinally guiding the ro-tating rack, and a stopper for stopping the incoming rotating rack in the center area.
BRIEF DESCRIPTION OF THE DRAWINGS
In the following, an embodiment of the magazine according to the invention will be further described, with reference to the accompanying drawings, in which:
FIG. 1 is a front view of a magazine according to the in-vention comprising an exchangeable rotating rack:
FIG. 2 is a side elevation of the magazine of FIG. l;
20~0i40 FIG. 3 is a horizontal projection of the magazine of FIG.
1;
FIG. 4 is a side elevation of the exchangeable rotating rack designed as a separate constructional unit;
FIG. 5 is a front view of the magazine of FIG. 1 showing the conveyer system in a lowered position and the rotating rack disengaged from the clutch means;
FIG. 6 is a sectional view, in a larger scale, of the lower clutch means in working order;
FIG. 7 is a sectional view analogous to FIG. 6, but show-ing the clutch means in disengaged position;
FIG. 8 is a sectional view, in a larger scale, of the up-per clutch means in working order;
FIG. 9 is a sectional view analogous to FIG. 8, but show-ing the clutch means in disengaged position; and FIG. 10 is a diagrammic representation of a simple manu-facturing plant comprising a processing device, a handling de-vice for automatically exchanging workpieces and/or tools, and a magazine for the objects to be handled, according to the in-vention.
20'~0~.~0 _a_ DESCRIPTION OF A PREFERRED EMBODIMENT
Now, as an example, a preferred embodiment of the magazine according to the present invention will be described in more detail.
The magazine, which is shown as an example, comprises a stand 1 consisting of rectangular tubes and having a square horizontal projection. This stand 1 is of a height correspond-ing to the rotating rack 2, which is separately shown in FIG.
TECHNICAL FIELD
This invention relates to a magazine for tools and/or workpieces, said magazine having a fixed position in a manufac-turing plant. and being intended to cooperate with at least one machining device and with a handling device associated with said machining device in order to automatically exchange tools and/or workpieces on said machining device, said magazine com-prising a rotating rack having a plurality of storing planes mounted upon another on a support.
BACKGROUND OF THE INVENTION
Magazines of this kind, and for said purpose, are disclosed e.g. in the publications EP-A1-0,132,599 and EP-A2-0,297,034. They are known under the designation "multi-level revolving storage machines".
If a manufacturing plant is run non-attended and for a prolonged period of time, it may be necessary to place at dis-posal a considerable number of workpieces and tools, especially if the machining processes are quickly changing. This means that relatively large magazine rooms and handling devices co-vering wide areas are necessary. In this case, according to the status of the art, for operating one or more processing devi-ces, often a plurality of multi-level revolving storage ma-chines and, e.g., a portal robot are necessary, such as e.g.
described in the publication "Moglichkeiten and Trends bei der automatischen Werkstiickhandhabung mit Industrierobotern" ["Pos-sibilities and trends in the automatic workpiece handling by industrial robots"], published in "Zeitschrift fur industrielle Fertigung" 1986, No. 10, 76 (Springer-Verlag). It is known from experience that in this case the material expenditure and the space requirement are important. Furthermore, due to the large-ness of the magazine rooms, the interruption time for restock-ing the magazines at their respective positions is long.
OBJECTS OF THE INVENTION
It is a primary object of the present invention to pro-vide a conception for operating a manufacturing plant which avoids the abovementioned disadvantages of the prior art.
It is a further object of the invention to provide a ma-gazine of the kind described above which allows a simple hand-ling and restocking of the tools and/or workpieces which are necessary in such manufacturing plants, without interruption of the manufacturing process.
SUMMARY OF THE INVENTION
To meet these and other objects, the present invention provides a magazine for tools and/or workpieces which is fixed-ly positioned in a manufacturing plant. The magazine is intend-ed to cooperate with at least one machining device and with a handling device associated with the machining device in order to automatically exchange tools and/or workpieces on the ma-chining device. The magazine comprises a stationary part and a rotating rack having a plurality of storing planes mounted upon another on a support.
The rotating rack is designed as a separate construction-al unit which is exchangeably inserted in the stationary part of the magazine, whereby the stationary part comprises means for rotating the rotating rack.
In this way, it is possible to have just a small storage capacity at the magazine station, and to use a simpler handling device for serving the machining device. Moreover, the access time to the magazine is reduced. The exchangeable rotating rack can periodically, or according to the requirements, be replaced by a rotating rack having new workpieces and tools, respective-ly, and be discharged and recharged outside the magazine sta-tion. The exchange can take place without interruption of the manufacturing process.
In a practical embodiment of the magazine of the present invention, the stationary part of the magazine comprises a stand provided with disengageable clutch means for bearing and rotating the rotating rack. Preferably, the disengageable clutch means cooperate with the two ends of the rotating sup-port of the rotating rack.
In a preferred embodiment of the magazine according to the present invention, the rotating support of the rotating rack is provided at its lower end with a foot plate having a centering sleeve which is downwardly open, and at its upper end with a centering cone. The lower part of the stand comprises a driven rotating stool bearing the rotating rack. The rotating stool may be provided with an upwardly extending centering pin engaging the centering sleeve of the foot plate. The upper part of the stand comprises a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up the centering cone of the rotating support. The rotating stool, together with a turnable drive unit for rotating the same, are mounted on a elevating platform forcing the rotating rack upwardly, in order to interlockingly position and hold the rotating support of the rotating rack between the rotating stool and the shaft end, and to frictionally connect the foot plate with the rotating stool.
For exchanging the rotating rack, i.e. for removing the actually used rotating rack from the magazine station and re-placing it by another re-eguiped rotating rack, the stationary part of said magazine may comprise a conveyer system having a horizontal conveyer. Preferably, the rotating rack can be low-ered from its operation position to a point where its foot plate touches the conveyer and the clutch means, upon disen-gagement from the rotating rack, release the latter in the conveying direction.
The means for transferring the rotating rack from its op-erating position to the conveyer system may e.g. be constructed in such a way that the elevating platform can be lowered from its operation position to a point where the centering pin on the rotating stool disengages from the centering sleeve on the end of the rotating support, after the rotating rack was placed onto the conveyer system, and that the shaft end can upwardly be drawn-off for disengaging the centering cone on the upper end of the rotating support from the conic center hole on the shaft end. This allows that the disengagement of the rotating rack from the disengageable clutch means be effected in two phases, i.e. in the first phase the rotating rack is placed onto the conveyer system, while the upper clutch means are still engaged and the lower clutch means are disengaged, and in the second phase the upper clutch means are disengaged from the rotating rack.
The equiping and re-ec~uiping, respectively, of the ro-tating rack removed from the magazine may be effected at any 20'0140 suitable place, e.g. in the immediate vicinity of the magazine station, or alternatively at a particular place destined for this purpose. Another possibility is to provide a particular equiping station which is located away from the magazine sta-tion for loading and unloading the rotating racks, and means of transport for transporting the rotating racks from the equip-ing station to the magazine station, and vice versa.
The conveyer system may be a roller conveyer having jointly driven rollers. Preferably, the magazine further com-prises guide means mounted along the conveyer at the circum-ference of the foot plate for longitudinally guiding the ro-tating rack, and a stopper for stopping the incoming rotating rack in the center area.
BRIEF DESCRIPTION OF THE DRAWINGS
In the following, an embodiment of the magazine according to the invention will be further described, with reference to the accompanying drawings, in which:
FIG. 1 is a front view of a magazine according to the in-vention comprising an exchangeable rotating rack:
FIG. 2 is a side elevation of the magazine of FIG. l;
20~0i40 FIG. 3 is a horizontal projection of the magazine of FIG.
1;
FIG. 4 is a side elevation of the exchangeable rotating rack designed as a separate constructional unit;
FIG. 5 is a front view of the magazine of FIG. 1 showing the conveyer system in a lowered position and the rotating rack disengaged from the clutch means;
FIG. 6 is a sectional view, in a larger scale, of the lower clutch means in working order;
FIG. 7 is a sectional view analogous to FIG. 6, but show-ing the clutch means in disengaged position;
FIG. 8 is a sectional view, in a larger scale, of the up-per clutch means in working order;
FIG. 9 is a sectional view analogous to FIG. 8, but show-ing the clutch means in disengaged position; and FIG. 10 is a diagrammic representation of a simple manu-facturing plant comprising a processing device, a handling de-vice for automatically exchanging workpieces and/or tools, and a magazine for the objects to be handled, according to the in-vention.
20'~0~.~0 _a_ DESCRIPTION OF A PREFERRED EMBODIMENT
Now, as an example, a preferred embodiment of the magazine according to the present invention will be described in more detail.
The magazine, which is shown as an example, comprises a stand 1 consisting of rectangular tubes and having a square horizontal projection. This stand 1 is of a height correspond-ing to the rotating rack 2, which is separately shown in FIG.
4, and. comprises the stationary part of the magazine including the means for operating the rotating rack 2. The individual parts of this stand 1 will be described more in detail below, according to requirements.
As shown in FIG. 4, the rotating rack, generally marked by "2", comprises, in a manner known per se, a rotating support 3 supporting a number of bearers 4, e.g. five bearers, for the objects to be handled (workpieces and/or tools). Said bearers 4 are shaped as circular plates, and are mounted at equal distan-ces on several levels on said rotating support 3. For this pur-pose, each of the bearers 4 is provided with a hub 5 which is fixed (in a manner not shown in detail) to said rotating sup-port 3, e.g. by means of pins. As shown in FIG. 3, each bearer 4 comprises at its circumference a number of storage places 6, e.g. six places. These storage places 6 are all of the same construction and may e.g. comprise a radial incision 7 and an axial recess 8 for correctly positioning the objects to be handled.
~';>
20'0140 At its lower end, the rotating support 3 of the rotating rack 2 is provided with a foot plate 9 which may be fixed to the rotating support 3 by means of a hub 10, in a manner simi-lar to that of the bearers 4. The foot plate 9 has a somewhat larger diameter than the bearers 4, and is provided near its circumference with a number of locking holes 11, e.g. eight locking holes, for positioning the rotating rack 2 in various angular positions. The hub 10 situated at the lower end of the rotating support 3 also forms an upwardly open centering sleeve 12. At its upper end, the rotating support 3 comprises a cen-tering cone 13.
Clutch means are mounted on the stand 1 for bearing and operating the rotating rack 2. The clutch means cooperate with the ends of the rotating support 3 which are constructed as de-scribed above. The lower part of the stand 1 comprises a rotat-ing stool 14 which bears the rotating rack 2 in its operational position, as shown in FIGS. 1 and 2.
Details of this rotating stool 14 are shown in FIGS. 6 and 7. For frictionally connecting the rotating rack 2 and the rotating stool 14, the latter is provided with a friction lin-ing 15. The rotating stool 14 is mounted on a shaft 16, these two elements being rotatably mounted on an elevating platform 17 in the manner shown. The rotating stool 14 is provided at its circumference with a toothing 18 which engages a pinion 19 of an electric driving motor 20 mounted on the elevating plat-form 17 for operating said rotating stool 14. The upper end of the shaft 16 forms an upwardly extending centering pin 21 which engages the centering sleeve 12 on the foot plate 9 of the in-serted rotating rack 2 (FIG. 1). Four working cylinders 22 are provided for vertically adjusting the elevating platform 17.
The working cylinders 22 are actuated by a pressuri2ed fluid.
Their piston rods 23 are connected to the elevating platform 17. The working cylinders 22 are mounted to the underside of a mounting plate 24 which in turn is supported by a upper frame part 25 of the stand 1.
As shown in FIG. 1, the upper clutch means consist of a rotatable and vertically displaceable shaft end 26 comprising a downwardly open conic center hole 27 for taking up the center-ing cone 13 of the rotating support 3 of the rotating rack 2.
The shaft end 26 is beared by a driving block 28 which in turn is supported by a platform 29 which is mounted to an upper frame part 25 of the stand 2 by means of supporting plates 30.
As shown in detail in FIGS. 8 and 9, the driving block 28 is, as diagrammicly represented, a working cylinder comprising a pressure piston 32, the shaft end 26 being freely rotatably beared in the hollow piston rod 33.
When the magazine is in operation, the elevating platform 17 is, under the action of the working cylinder 22, in an upper end position (FIGS. 1, 2 and 6), and the pressurized working cylinder 28 pushes the shaft end 26, in the opposite direction of force, against the upper end 13 of the rotating support 3.
Thereby, the centering pin 21 on the rotating stool 14 engages 20'0140 _ 11 _ the centering sleeve 12 at the lower end of the rotating sup-port 3, and the centering cone 13 at the upper end of the ro-tating support 3 engages the conic center hole 27 of the shaft end 26. In this manner, the rotating support 3 is interlocking-ly positioned and held between the rotating stool 14 and the shaft end 26, and the foot plate 14 is frictionally connected with the rotating stool 14.
A vertically movable locking pin 34 cooperating with the locking holes 11 of the foot plate 9 is provided, in a manner known per se, for fixing the rotating rack 2 in those angular positions which are planned for removing the objects to be han-dled 53 by means of a handling device 51. The locking pin 34 is displaced by a working cylinder 36, mounted on the stand 1, by means of an intermediate supporting arm 35 (FIG. 1). Further-more, an electronic storage device 37 is mounted at the rim of the foot plate 9. This electronic storage device 37 contains information for identifying the inserted rotating rack which information can be read by a reading device 38 mounted on the stand 1 (FIG. 2).
For exchanging the rotating rack 2, the stationary part of the magazine comprises a conveyer system 39 having a hori-zontal conveyer onto which the rotating rack 2 can be lowered.
This conveyer system 39 is a roller conveyer mounted on the mounting plate 24. The rollers of the roller conveyer are beared in plane-parallel supporting plates 41 and driven by means of chains 42 by a common driving motor (not shown). Guide 20'~0~40 rails 43 are provided at the circumference of the foot plate 9 along the conveyer on a frame part 44 of the stand 1, for lon-gitudinally guiding the rotating rack 2 (FTGS. 1 and 3). A
stopper 45 is mounted on the same frame part 44 (FIGS. 2 and 3). The foot plate 9 knocks against this stopper 45 when a ro-tating rack 2 on the conveyer system 39 is moved into the stand 1. In this way, the rotating rack 2 is stopped in the central area, so that the centering pin 21 can engage the centering sleeve 12, and the centering cone 13 can engage the conic cen-ter hole 27.
Removal of a rotating rack 2 is effected as follows:
First, the rotating rack 2 is moved from the operating position shown in FIGS. 1 to 3 into the transportation position shown in FTG. 5, i.e. placed onto the rollers 40 of the conveyer system 39. For this purpose, the elevating platform 17 can be lowered from its operation position to a point where the centering pin 21 on the rotating stool 14 disengages from the centering sleeve 12 on the lower end of the rotating support 3 after the foot plate 9 was put onto the rollers 40. Thereby, the working cylinder 28 remains pressurized, thus maintaining the guiding effect at the upper end of the rotating support 3 during the downward movement. Thereafter, the shaft end 26 is upwardly drawn-off by counterpressurizing the working cylinder 28 for ' disengaging the centering cone 13 at the upper end of the ro-feting support 3 from the conic center hole 27 in the shaft end 26. By this, the rotating rack 2 is disengaged form the lower 20'0140 _ 13 _ and upper clutch means, the final positions of which are shown in FIGS. 7 and 9. The rotating rack 2 can now be moved by the conveyer system 39 out from the stand 1 at its front side, as shown in FIG. 1, as soon as the locking pin 34 was downwardly withdrawn from the so far occupied locking hole 11 in the foot plate 9.
In the most simple case, the rotating rack 2 removed from the stand 1 is transferred to a truck (hand~truck or motor-truck) brought to the stand 1, while another rotating rack 2 containing the replacing objects to be handled is brought to the stand 1 on another truck and is inserted into the stand 1 by means of the conveyer system 39. Preferably, such trucks are provided with a rolling platform for facilitating the transfer, and with means for fixing the rotating rack to be transported on the platform.
FIG. 10 diagrammically represents, as an example, the layout of a simple manufacturing plant, comprising a processing device 50, a handling device 51, and a magazine 52 according to the invention, the magazine comprising an exchangeable rotat-ing rack 2 of the construction shown in FIGS. 1 to 9 bearing symbolically traced tools and workpieces 53, respectively. The handling device 51 comprises three controlled axles and a grip arm 54 which is mounted in a longitudinally movable manner in a bearing part 55. The bearing part 55 is mounted on a carriage 56 and is rotatable around the axis 57 which in turn is mounted on a stationary support 58 in a vertically movable manner. The various phases of movement of the grip arm 54 during the ex-change of tools and workpieces, respectively, are traced in dot-dash lines.
F1G. 10 clearly shows that the auxiliary devices take on-ly relatively limited space of the station, and that the han-dling device 51 needs only limited moving space. This advantage is due to the fact that even in a prolonged operation of the manufacturing plant one sole magazine 52 of the kind described above is sufficient, and that thus, for the exchange of the ob-jects to be handled, the action of the grip arm 54 is limited to this sole magazine 52.
As shown in FIG. 4, the rotating rack, generally marked by "2", comprises, in a manner known per se, a rotating support 3 supporting a number of bearers 4, e.g. five bearers, for the objects to be handled (workpieces and/or tools). Said bearers 4 are shaped as circular plates, and are mounted at equal distan-ces on several levels on said rotating support 3. For this pur-pose, each of the bearers 4 is provided with a hub 5 which is fixed (in a manner not shown in detail) to said rotating sup-port 3, e.g. by means of pins. As shown in FIG. 3, each bearer 4 comprises at its circumference a number of storage places 6, e.g. six places. These storage places 6 are all of the same construction and may e.g. comprise a radial incision 7 and an axial recess 8 for correctly positioning the objects to be handled.
~';>
20'0140 At its lower end, the rotating support 3 of the rotating rack 2 is provided with a foot plate 9 which may be fixed to the rotating support 3 by means of a hub 10, in a manner simi-lar to that of the bearers 4. The foot plate 9 has a somewhat larger diameter than the bearers 4, and is provided near its circumference with a number of locking holes 11, e.g. eight locking holes, for positioning the rotating rack 2 in various angular positions. The hub 10 situated at the lower end of the rotating support 3 also forms an upwardly open centering sleeve 12. At its upper end, the rotating support 3 comprises a cen-tering cone 13.
Clutch means are mounted on the stand 1 for bearing and operating the rotating rack 2. The clutch means cooperate with the ends of the rotating support 3 which are constructed as de-scribed above. The lower part of the stand 1 comprises a rotat-ing stool 14 which bears the rotating rack 2 in its operational position, as shown in FIGS. 1 and 2.
Details of this rotating stool 14 are shown in FIGS. 6 and 7. For frictionally connecting the rotating rack 2 and the rotating stool 14, the latter is provided with a friction lin-ing 15. The rotating stool 14 is mounted on a shaft 16, these two elements being rotatably mounted on an elevating platform 17 in the manner shown. The rotating stool 14 is provided at its circumference with a toothing 18 which engages a pinion 19 of an electric driving motor 20 mounted on the elevating plat-form 17 for operating said rotating stool 14. The upper end of the shaft 16 forms an upwardly extending centering pin 21 which engages the centering sleeve 12 on the foot plate 9 of the in-serted rotating rack 2 (FIG. 1). Four working cylinders 22 are provided for vertically adjusting the elevating platform 17.
The working cylinders 22 are actuated by a pressuri2ed fluid.
Their piston rods 23 are connected to the elevating platform 17. The working cylinders 22 are mounted to the underside of a mounting plate 24 which in turn is supported by a upper frame part 25 of the stand 1.
As shown in FIG. 1, the upper clutch means consist of a rotatable and vertically displaceable shaft end 26 comprising a downwardly open conic center hole 27 for taking up the center-ing cone 13 of the rotating support 3 of the rotating rack 2.
The shaft end 26 is beared by a driving block 28 which in turn is supported by a platform 29 which is mounted to an upper frame part 25 of the stand 2 by means of supporting plates 30.
As shown in detail in FIGS. 8 and 9, the driving block 28 is, as diagrammicly represented, a working cylinder comprising a pressure piston 32, the shaft end 26 being freely rotatably beared in the hollow piston rod 33.
When the magazine is in operation, the elevating platform 17 is, under the action of the working cylinder 22, in an upper end position (FIGS. 1, 2 and 6), and the pressurized working cylinder 28 pushes the shaft end 26, in the opposite direction of force, against the upper end 13 of the rotating support 3.
Thereby, the centering pin 21 on the rotating stool 14 engages 20'0140 _ 11 _ the centering sleeve 12 at the lower end of the rotating sup-port 3, and the centering cone 13 at the upper end of the ro-tating support 3 engages the conic center hole 27 of the shaft end 26. In this manner, the rotating support 3 is interlocking-ly positioned and held between the rotating stool 14 and the shaft end 26, and the foot plate 14 is frictionally connected with the rotating stool 14.
A vertically movable locking pin 34 cooperating with the locking holes 11 of the foot plate 9 is provided, in a manner known per se, for fixing the rotating rack 2 in those angular positions which are planned for removing the objects to be han-dled 53 by means of a handling device 51. The locking pin 34 is displaced by a working cylinder 36, mounted on the stand 1, by means of an intermediate supporting arm 35 (FIG. 1). Further-more, an electronic storage device 37 is mounted at the rim of the foot plate 9. This electronic storage device 37 contains information for identifying the inserted rotating rack which information can be read by a reading device 38 mounted on the stand 1 (FIG. 2).
For exchanging the rotating rack 2, the stationary part of the magazine comprises a conveyer system 39 having a hori-zontal conveyer onto which the rotating rack 2 can be lowered.
This conveyer system 39 is a roller conveyer mounted on the mounting plate 24. The rollers of the roller conveyer are beared in plane-parallel supporting plates 41 and driven by means of chains 42 by a common driving motor (not shown). Guide 20'~0~40 rails 43 are provided at the circumference of the foot plate 9 along the conveyer on a frame part 44 of the stand 1, for lon-gitudinally guiding the rotating rack 2 (FTGS. 1 and 3). A
stopper 45 is mounted on the same frame part 44 (FIGS. 2 and 3). The foot plate 9 knocks against this stopper 45 when a ro-tating rack 2 on the conveyer system 39 is moved into the stand 1. In this way, the rotating rack 2 is stopped in the central area, so that the centering pin 21 can engage the centering sleeve 12, and the centering cone 13 can engage the conic cen-ter hole 27.
Removal of a rotating rack 2 is effected as follows:
First, the rotating rack 2 is moved from the operating position shown in FIGS. 1 to 3 into the transportation position shown in FTG. 5, i.e. placed onto the rollers 40 of the conveyer system 39. For this purpose, the elevating platform 17 can be lowered from its operation position to a point where the centering pin 21 on the rotating stool 14 disengages from the centering sleeve 12 on the lower end of the rotating support 3 after the foot plate 9 was put onto the rollers 40. Thereby, the working cylinder 28 remains pressurized, thus maintaining the guiding effect at the upper end of the rotating support 3 during the downward movement. Thereafter, the shaft end 26 is upwardly drawn-off by counterpressurizing the working cylinder 28 for ' disengaging the centering cone 13 at the upper end of the ro-feting support 3 from the conic center hole 27 in the shaft end 26. By this, the rotating rack 2 is disengaged form the lower 20'0140 _ 13 _ and upper clutch means, the final positions of which are shown in FIGS. 7 and 9. The rotating rack 2 can now be moved by the conveyer system 39 out from the stand 1 at its front side, as shown in FIG. 1, as soon as the locking pin 34 was downwardly withdrawn from the so far occupied locking hole 11 in the foot plate 9.
In the most simple case, the rotating rack 2 removed from the stand 1 is transferred to a truck (hand~truck or motor-truck) brought to the stand 1, while another rotating rack 2 containing the replacing objects to be handled is brought to the stand 1 on another truck and is inserted into the stand 1 by means of the conveyer system 39. Preferably, such trucks are provided with a rolling platform for facilitating the transfer, and with means for fixing the rotating rack to be transported on the platform.
FIG. 10 diagrammically represents, as an example, the layout of a simple manufacturing plant, comprising a processing device 50, a handling device 51, and a magazine 52 according to the invention, the magazine comprising an exchangeable rotat-ing rack 2 of the construction shown in FIGS. 1 to 9 bearing symbolically traced tools and workpieces 53, respectively. The handling device 51 comprises three controlled axles and a grip arm 54 which is mounted in a longitudinally movable manner in a bearing part 55. The bearing part 55 is mounted on a carriage 56 and is rotatable around the axis 57 which in turn is mounted on a stationary support 58 in a vertically movable manner. The various phases of movement of the grip arm 54 during the ex-change of tools and workpieces, respectively, are traced in dot-dash lines.
F1G. 10 clearly shows that the auxiliary devices take on-ly relatively limited space of the station, and that the han-dling device 51 needs only limited moving space. This advantage is due to the fact that even in a prolonged operation of the manufacturing plant one sole magazine 52 of the kind described above is sufficient, and that thus, for the exchange of the ob-jects to be handled, the action of the grip arm 54 is limited to this sole magazine 52.
Claims (10)
1. A magazine for tools and/or workpieces and for fixedly positioning in a manufacturing plant having at least one machining device and a handling device associated with the machining device, said magazine comprising:
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device;
a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends;
said stationary part comprising means for rotating said rotating rack inserted in said stationary part; and said stationary part comprising a stand including disengageable first and second clutch means for bearing and driving said rotating rack, said first clutch means being located at one end of said rotating support of said rotating rack and said second clutch means being located at the other end of said rotating support of said rotating rack and cooperating with said first clutch means to enable rotation of said rotating rack on said rotating support.
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device;
a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends;
said stationary part comprising means for rotating said rotating rack inserted in said stationary part; and said stationary part comprising a stand including disengageable first and second clutch means for bearing and driving said rotating rack, said first clutch means being located at one end of said rotating support of said rotating rack and said second clutch means being located at the other end of said rotating support of said rotating rack and cooperating with said first clutch means to enable rotation of said rotating rack on said rotating support.
2. A magazine according to claim 1 wherein:
- Page 1 of Claims -said other end of said rotating support is an upper end with a centering cone and said one end of said rotating support is a lower end with a foot plate having a centering sleeve which is downwardly open;
said stand comprises a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate; and said rotating stool together with a turnable drive unit for rotating the same are mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to fractionally connect said foot plate with said rotating stool.
- Page 1 of Claims -said other end of said rotating support is an upper end with a centering cone and said one end of said rotating support is a lower end with a foot plate having a centering sleeve which is downwardly open;
said stand comprises a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate; and said rotating stool together with a turnable drive unit for rotating the same are mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to fractionally connect said foot plate with said rotating stool.
3. A magazine according to claim 2 wherein said stationary part comprises a conveyor system having a horizontal conveyor for exchanging said rotating rack.
4. A magazine according to claim 3 wherein:
said rotating rack can be lowered from an operation position to a point where said foot plate touches said - Page 2 of Claims -conveyor; and said first and second clutch means, upon disengagement from said rotating rack, releases the latter in the conveying direction.
said rotating rack can be lowered from an operation position to a point where said foot plate touches said - Page 2 of Claims -conveyor; and said first and second clutch means, upon disengagement from said rotating rack, releases the latter in the conveying direction.
5. A magazine according to claim 4 wherein:
said elevating platform can be lowered from an operation position to a point where said centering pin on said rotating stool disengages said centering sleeve on the lower end of said rotating support after said rotating rack is put down onto said conveyor system; and said shaft end can be drawn-off upwardly for disengaging said centering cone on the upper end of said rotating support from said conic center hole on said shaft end, thereby allowing the disengagement of said rotating rack from said disengageable first and second clutch means to be effected in two phases, whereby (i) in the first phase said rotating rack is moved down onto said conveyor system while said first clutch means is still engaged and said second clutch means is disengaged, and (ii) in the second phase said first clutch means is disengaged from said rotating rack.
said elevating platform can be lowered from an operation position to a point where said centering pin on said rotating stool disengages said centering sleeve on the lower end of said rotating support after said rotating rack is put down onto said conveyor system; and said shaft end can be drawn-off upwardly for disengaging said centering cone on the upper end of said rotating support from said conic center hole on said shaft end, thereby allowing the disengagement of said rotating rack from said disengageable first and second clutch means to be effected in two phases, whereby (i) in the first phase said rotating rack is moved down onto said conveyor system while said first clutch means is still engaged and said second clutch means is disengaged, and (ii) in the second phase said first clutch means is disengaged from said rotating rack.
6. A magazine according to claim 3 further comprising guide means mounted along said conveyor at the circumference of said foot plate for longitudinally guiding said rotating rack.
7. A magazine according to claim 3 wherein said conveyor is provided with a stopper for stopping an incoming rotating rack - Page 3 of Claims -in a centering area.
8. A magazine according to claim 3 wherein said conveyor system is a roller conveyor comprising jointly driven rollers.
9. A magazine for tools and/or workpieces and for fixedly positioning in a manufacturing plant having at least one machining device and a handling device associated with the machining device, said magazine comprising:
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends:
said stationary part comprising means for rotating said rotating rack inserted in said stationary part;
said stationary part comprising a stand including disengageable clutch means for bearing and driving said rotating rack, said disengageable clutch means cooperating with both ends of said rotating support of said rotating rack;
said rotating support including an upper end with a centering cone and a lower end with a foot plate having a centering sleeve which is downwardly open;
- Page 4 of Claims -said stand comprising a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate; and said rotating stool together with a turnable drive unit for rotating the same being mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to frictionally connect said foot plate with said rotating stool.
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends:
said stationary part comprising means for rotating said rotating rack inserted in said stationary part;
said stationary part comprising a stand including disengageable clutch means for bearing and driving said rotating rack, said disengageable clutch means cooperating with both ends of said rotating support of said rotating rack;
said rotating support including an upper end with a centering cone and a lower end with a foot plate having a centering sleeve which is downwardly open;
- Page 4 of Claims -said stand comprising a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate; and said rotating stool together with a turnable drive unit for rotating the same being mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to frictionally connect said foot plate with said rotating stool.
10. A magazine for tools and/or workpieces and for fixedly positioning in a manufacturing plant having at least one machining device and a handling device associated with the machining device, said magazine comprising:
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device;
a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, -Page 5 of Claims-said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends;
said rotating support including an upper end with a centering cone and a lower end with a foot plate having a centering sleeve which is downwardly open;
said stand comprising a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate;
said rotating stool together with a turnable drive unit for rotating the same being mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to frictionally connect said foot plate with said rotating stool;
said stationary part comprising means for rotating said rotating rack inserted in said stationary part;
said stationary part comprising a stand including disengageable clutch means for bearing and driving said - Page 6 of Claims -rotating rack, said disengageable clutch means cooperating with both ends of said rotating support of said rotating rack, said disengageable clutch means including upper clutch means and lower clutch means;
said stationary part comprising a conveyor system having a horizontal conveyor for exchanging said rotating rack;
said rotating rack being able to be lowered from an operation position to a point where said foot plate touches said conveyor;
said disengageable clutch means, upon disengagement from said rotating rack, releasing the latter in the conveying direction;
said elevating platform being able to be lowered from an operation position to a point where said centering pin on said rotating stool disengages said centering sleeve on the lower end of said rotating support after said rotating rack is put down onto said conveyor system; and said shaft end being able to be drawn-off upwardly for disengaging said centering cone on the upper end of said rotating support from said conic center hole on said shaft end, thereby allowing the disengagement of said rotating rack from said disengageable clutch means to be effected in two phases, whereby (i) in the first phase said rotating rack is moved down onto said conveyor -Page 7 of Claims-system while said upper clutch means is still engaged and said lower clutch means is disengaged, and (ii) in the second phase said upper clutch means is disengaged from said rotating rack.
-Page 8 of Claims-
means for cooperating with the at least one machining device and the handling device to automatically exchange tools and/or workpieces on the machining device;
a stationary part;
a rotating rack being a separate constructional unit and being exchangeably inserted in said stationary part, -Page 5 of Claims-said rotating rack having a rotating support and a plurality of bearers stacked on said rotating support, said rotating support having opposite ends;
said rotating support including an upper end with a centering cone and a lower end with a foot plate having a centering sleeve which is downwardly open;
said stand comprising a lower part including a driven rotating stool bearing said rotating rack, and an upper part including a shaft end provided with a downwardly open, freely rotatable conic center hole for taking up said centering cone of said rotating support, said rotating stool being provided with an upwardly extending centering pin engaging into said centering sleeve of said foot plate;
said rotating stool together with a turnable drive unit for rotating the same being mounted on an elevating platform, said elevating platform pushing said rotating rack upwardly, in order to interlockingly position and hold said rotating support of said rotating rack between said rotating stool and said shaft end, and to frictionally connect said foot plate with said rotating stool;
said stationary part comprising means for rotating said rotating rack inserted in said stationary part;
said stationary part comprising a stand including disengageable clutch means for bearing and driving said - Page 6 of Claims -rotating rack, said disengageable clutch means cooperating with both ends of said rotating support of said rotating rack, said disengageable clutch means including upper clutch means and lower clutch means;
said stationary part comprising a conveyor system having a horizontal conveyor for exchanging said rotating rack;
said rotating rack being able to be lowered from an operation position to a point where said foot plate touches said conveyor;
said disengageable clutch means, upon disengagement from said rotating rack, releasing the latter in the conveying direction;
said elevating platform being able to be lowered from an operation position to a point where said centering pin on said rotating stool disengages said centering sleeve on the lower end of said rotating support after said rotating rack is put down onto said conveyor system; and said shaft end being able to be drawn-off upwardly for disengaging said centering cone on the upper end of said rotating support from said conic center hole on said shaft end, thereby allowing the disengagement of said rotating rack from said disengageable clutch means to be effected in two phases, whereby (i) in the first phase said rotating rack is moved down onto said conveyor -Page 7 of Claims-system while said upper clutch means is still engaged and said lower clutch means is disengaged, and (ii) in the second phase said upper clutch means is disengaged from said rotating rack.
-Page 8 of Claims-
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4118074A DE4118074A1 (en) | 1991-06-03 | 1991-06-03 | TOOL AND / OR WORKPIECE MAGAZINE |
| GBP4118074.7 | 1991-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2070140A1 CA2070140A1 (en) | 1992-12-04 |
| CA2070140C true CA2070140C (en) | 2000-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002070140A Expired - Fee Related CA2070140C (en) | 1991-06-03 | 1992-06-01 | Magazine for tools and/or workpieces |
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| US (1) | US5304110A (en) |
| EP (1) | EP0517652B1 (en) |
| JP (1) | JP3337714B2 (en) |
| KR (1) | KR100229839B1 (en) |
| AT (1) | ATE120996T1 (en) |
| CA (1) | CA2070140C (en) |
| DE (2) | DE4118074A1 (en) |
| DK (1) | DK0517652T3 (en) |
| ES (1) | ES2071473T3 (en) |
| HK (1) | HK170795A (en) |
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| IT1140765B (en) * | 1980-02-29 | 1986-10-10 | Jobs Spa | TOOL FEEDER GROUP, FOR MACHINE TOOLS WITH CHIP REMOVAL, CONSISTING OF A MOBILE TOOL-HOLDER TROLLEY AND A FIXED PLATE, BOTH TROLLEYS AND PLATES EQUIPPED WITH COMMITMENT BODIES AND MUTUAL REFERENCE |
| US4558506A (en) * | 1981-11-09 | 1985-12-17 | Kearney & Trecker Corporation | Numerically controlled automatic tool changing machining center having a bar-type spindle |
| EP0132599A1 (en) * | 1983-07-06 | 1985-02-13 | Charmilles Technologies Sa | Tool magazine with a tool changing device |
| US4654957A (en) * | 1984-06-22 | 1987-04-07 | Ex-Cell-O Corporation | Flexible machining apparatus with single shank tool and multi-spindle tool head changing and operating capabilities |
| DE3519545A1 (en) * | 1985-05-31 | 1986-12-04 | IMA-NORTE Maschinenfabriken Klessmann GmbH & Co, 4830 Gütersloh | Interlinking system for machine tools with additional tool magazines |
| DD250079A1 (en) * | 1986-06-23 | 1987-09-30 | Mikromat Dresden Betrieb | TOOL MAGAZINE AT MACHINING CENTERS |
| DE3720180C1 (en) * | 1987-06-16 | 1988-06-30 | Erowa Ag | Change device for a machine tool |
| DE3819210A1 (en) * | 1988-06-06 | 1989-12-07 | Deckel Ag Friedrich | TOOL CHANGE DEVICE FOR AN NC-CONTROLLED MANUFACTURING SYSTEM |
| JP6322937B2 (en) | 2013-09-26 | 2018-05-16 | ぺんてる株式会社 | Slide member of side knock type writing instrument, and side knock type writing instrument using the slide member |
-
1991
- 1991-06-03 DE DE4118074A patent/DE4118074A1/en active Granted
-
1992
- 1992-05-15 DE DE59201878T patent/DE59201878D1/en not_active Expired - Fee Related
- 1992-05-15 ES ES92810367T patent/ES2071473T3/en not_active Expired - Lifetime
- 1992-05-15 EP EP92810367A patent/EP0517652B1/en not_active Expired - Lifetime
- 1992-05-15 AT AT92810367T patent/ATE120996T1/en not_active IP Right Cessation
- 1992-05-15 DK DK92810367.0T patent/DK0517652T3/en active
- 1992-06-01 CA CA002070140A patent/CA2070140C/en not_active Expired - Fee Related
- 1992-06-03 KR KR1019920009603A patent/KR100229839B1/en not_active Expired - Lifetime
- 1992-06-03 US US07/892,763 patent/US5304110A/en not_active Expired - Lifetime
- 1992-06-03 JP JP14300492A patent/JP3337714B2/en not_active Expired - Lifetime
-
1995
- 1995-11-02 HK HK170795A patent/HK170795A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE4118074C2 (en) | 1993-07-15 |
| ES2071473T3 (en) | 1995-06-16 |
| ATE120996T1 (en) | 1995-04-15 |
| KR100229839B1 (en) | 1999-11-15 |
| CA2070140A1 (en) | 1992-12-04 |
| HK170795A (en) | 1995-11-10 |
| DE59201878D1 (en) | 1995-05-18 |
| US5304110A (en) | 1994-04-19 |
| DE4118074A1 (en) | 1992-12-10 |
| KR930000355A (en) | 1993-01-15 |
| EP0517652A1 (en) | 1992-12-09 |
| JPH05185343A (en) | 1993-07-27 |
| JP3337714B2 (en) | 2002-10-21 |
| DK0517652T3 (en) | 1995-09-04 |
| EP0517652B1 (en) | 1995-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |